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Diffusion systems can’t render a great image given just “a dog” as the prompt. Imagine all the different kinds of dog images the user might be expecting.

A good prompt engineer understands the scope of keywords trained into SD and can translate the artistic vision for a finished image into specific keyword constructions.

Try creating a specific visual idea you have in your mind into a jpeg using Diffusion. You’ll see it’s not easy.

Can the user do that? Sure! Just memorize all the critical artists of the last 400 years and their important works. And learn all the specific terminology that yields great results.

Can a computer do it? Sure! Just fill out dozens of form fields to describe your specific intent.